Mellanox Technologies Switch-IB, User Manual

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Interfaces
77 Mellanox Technologies
3 Interfaces
3.1 LED Status Indicators
The LEDs are placed on the chassis for the convenience of the IT manager. All chassis conditions
and management options are available and controllable through the management software, either
CLI or WebUI.
3.1.1 Power Supply Unit LEDs
The PSUs are on the spine side of the chassis at its upper side and are behind two cover panels.
The plugs for these PSUs are on the leaf side of the chassis.
Each power supply unit has the following LED indicators.
Figure 65: Power Supply Unit Status Indications
• AC OK – LED indicator
• Green – when input voltage is 85V
AC
< V
in
< 270V
AC
• Off – when input voltage is 85V
AC
> V
in
or V
in
> 270V
AC
• DC OK – LED indicator
• Green – when output voltage above 90%+/- 5% of 48V
DC
• Red – when output voltage fallen below 90%+/- 5% of 48V
DC
It is recommended that all of the chassis subsystems be maintained and managed
through the management software.